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New NCAR study finds little climate benefit in switch from coal to natural gas

Colorado Independent: Natural gas may be a cleaner-burning energy source than coal, but making the switch isn`t likely to slow global warming any time soon, according to a new study in the journal Climatic Change. Reducing coal use may cut down on carbon dioxide, but its affect on the earth`s warming trend isn`t quite so simple, according to Tom Wigley, a senior research associate at the National Center for Atmospheric Research. Among other considerations, methane leaks from gas production and in transmission lines...